Astra L4-1.8L (2009)
11. Detach the seat belt trim panel.
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Detach the fastening ring (2).
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Remove the case (1).
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Remove the trim panel (3).
12. Detach the top panel.
Installation Procedure
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: Use screw locking compound.
1. Install the seat belt buckle tensioner.
Insert the seat belt buckle tensioner in the bracket and tighten the bolt.